Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Maryanne N. Ejidike, MD

Works at hospitals in Elmira, NY · Cheyenne, WY · Fargo, ND … · New York, Wyoming, North Dakota

Summary

Maryanne N. Ejidike, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Elmira, NY, Cheyenne, WY and Fargo, ND and other places. NPI 1992124143. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Maryanne N. Ejidike, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
20Years since medical school (graduated 2006)
FemaleGender (as listed)
Iowa Physicians Clinic Medical FoundationGroup practice (+4 more)

Quick answers

Which hospitals does Maryanne N. Ejidike work at?
Medicare's official clinician data lists Maryanne N. Ejidike at 4 hospitals: Arnot Ogden Medical Center, Cheyenne Regional Medical Center, Essentia Health and Jones Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maryanne N. Ejidike see patients?
Medicare's clinician data lists 4 practice locations, including Melville, NY, Cheyenne, WY and Fargo, ND. Call before your visit to confirm the address.
What is Maryanne N. Ejidike's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Maryanne N. Ejidike accept Medicare assignment?
Yes. Medicare's clinician data says Maryanne N. Ejidike accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Maryanne N. Ejidike offer telehealth?
Medicare's clinician data says Maryanne N. Ejidike offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Maryanne N. Ejidike?
(563) 557-2829, as listed in official Medicare / NPI Registry data.
What is Maryanne N. Ejidike's NPI number?
1992124143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maryanne N. Ejidike works

Medicare's Facility Affiliation Data lists Maryanne N. Ejidike at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Maryanne N. Ejidike is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Maryanne N. Ejidike as a member of these groups (CMS data updated 2026-10-02).

  • Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group
  • Innovis Health LLC559 clinicians in the group
  • Arnot Ogden Medical Center216 clinicians in the group
  • The Finley Hospital84 clinicians in the group
  • Summit Hospitalist Group LLC45 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Melville

Clinicians with the same Medicare primary specialty in Melville, NY — not a recommendation.

All internal medicine doctors in Melville →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1992124143
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians